Question

тнє αиgℓє σf мιиιмυм ∂єνιαтισи fσя ωαтєя

Answer 1

The angle of minimum deviation is attained when the angle of incidence and angle of emergence for a ray of light being refracted through a prism, are equal. The angle of minimum deviation depends on the refractive index of the medium through which the light passe